<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./js/vue.js"></script>
	<style type="text/css">
    .tab ul {
      overflow: hidden;
      padding: 0;
      margin: 0;
    }

    .tab ul li {
      box-sizing: border-box;
      padding: 0;
      float: left;
      width: 100px;
      height: 45px;
      line-height: 45px;
      list-style: none;
      text-align: center;
      border-top: 1px solid blue;
      border-right: 1px solid blue;
    }

    .tab ul li:first-child {
      border-left: 1px solid blue;
    }

    .tab ul li.active {
      background-color: orange;
    }

    .tab div {
      width: 500px;
      height: 300px;
      display: none;
      text-align: center;
      font-size: 30px;
      line-height: 300px;
      border: 1px solid blue;
      border-top: 0px;
    }

    .tab div.current {
      display: block;
    }
  </style>
</head>

<body>
    <div id="app">
        <div class="tab">
		  <ul>
			<li @click="handle(index)" :class="currentIndex==index?'active':''" v-for="(item,index) in arr" :key="index">{{item.name}}</li>
		  </ul>
		
		  <div v-for="(item,index) in arr" :key="index" :class="currentIndex==index?'current':''" >
			<!-- 图片必须使用 v-bind 进行绑定 -->
			<img :src="item.href">
		  </div>
		</div>
    </div>
    <script>
        var vm = new Vue({
            el: '#app',
            data: {
			currentIndex:0,
			arr:[{id:1,name:'apple',href:'./images/apple.png'},
			{id:2,name:'orange',href:'./images/orange.png'},
			{id:3,name:'lemon',href:'./images/lemon.png'}
			]
             
            },methods:{
				handle(index){
				this.currentIndex=index
				}
			}
        })
    </script>
</body>

</html>